<template>
    <div>
    <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
                <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
                <el-breadcrumb-item>商品管理</el-breadcrumb-item>
                <el-breadcrumb-item>商品列表</el-breadcrumb-item>
            </el-breadcrumb>
            <!-- 卡片试图区域 -->
            <el-card>
                <el-row gutter= 20>
                    <el-col :span="8">
                        <el-input  placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                        </el-input>
                    </el-col>
                    <el-col :span="4">
                        <el-button type="primary" @click="goAddpage">添加商品</el-button>
                    </el-col>
                </el-row>
                <!-- table表格区域 -->
                <el-table :data="goodsList" border stripe>
                    <el-table-column type="index"></el-table-column>
                    <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                    <el-table-column label="商品价格（元）" prop="goods_price" width="95px"></el-table-column>
                    <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
                    <el-table-column label="创建时间" prop="add_time"  width="140px">
                        <template slot-scope="scope">
                            {{scope.row.add_time|dataFormat}}
                        </template>
                    </el-table-column>
                    <el-table-column label="操作"  width="130px">
                        <template slot-scope="scope">
                            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                            <el-button type="danger" icon="el-icon-delete" size="mini"
                            @click="removeById(scope.row.goods_id)"></el-button>
                        </template>
                    </el-table-column>
                </el-table>

                <!-- 分页区域 -->
                <el-pagination
                    @size-change="handleSizeChange"
                    @current-change="handleCurrentChange"
                    :current-page="queryInfo.pagenum"
                    :page-sizes="[5, 10, 15, 20]"
                    :page-size="queryInfo.pagesize"
                    layout="total, sizes, prev, pager, next, jumper"
                    :total="total" background>
                </el-pagination>
            </el-card> 
    </div> 
</template>

<script>
export default {
    data(){
        return{
            // 查询参数对象
            queryInfo:{
                query:'',
                pagenum:1,
                pagesize:10
            },
            // 商品列表
            goodsList:[],
            // 总数据条数
            total:0
        }
    },
    created(){
        this.getGoodsList()
    },
    methods:{
        // 根据分页获取对应的商品列表
        async getGoodsList(){
            // get对象搜需要加一个params属性
            const {data:res}=await this.$http.get(`goods`,{params:this.queryInfo})
            if(res.meta.status!==200){
                return this.$message.error('获取商品列表失败')
            }
            // this.$message.success('获取商品列表成功')
            console.log(res.data)
            this.goodsList=res.data.goods
            this.total=res.data.total
        },
        handleSizeChange(newSize){
            this.queryInfo.pagesize=newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum=newPage
            this.getGoodsList()
        },
        async removeById(id){
            const comfirmResult=await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err=>err)
            if(comfirmResult!=='confirm'){
                this.$message.info('已经取消了删除')
            }
            const {data:res}=await this.$http.delete(`goods/${id}`)
            if(res.meta.status!==200){
                return this.$message.error('删除失败')
            }
            this.$message.success('删除成功')
            this.getGoodsList()
        },
        goAddpage(){
            this.$router.push('/goods/add')
        }
    }
    
}
</script>

<style lang="less" scoped>

</style>